Investment Promotion Act, B.E. 2520 (1977). Country/Territory Thailand Document type Legislation Date 1977 Source FAO, FAOLEX Subject Agricultural & rural development Keyword Authorization/permit Fiscal and market measures Institution International trade Geographical area Asia, ASIA AND THE PACIFIC, East Asian Seas, Indian Ocean, South-Eastern Asia Abstract The Investment Promotion Act B.E. 2520 (A.D. 1977) was enacted to stimulate investment in Thailand. Full text English Website web.krisdika.go.th